Comparison of self-referencing techniques for photothermal detection of trace compounds in water

Self-referencing techniques are compared for a closed-cell photothermal detector that uses a water meniscus as a pressure sensor. Deflection of the meniscus was measured using an optical fibre Fabry-Perot interferometer. For long measurement integration times, interference fringe drift was a serious...

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Bibliographic Details
Main Authors: Hodgkinson, J. (Author), Johnson, M. (Author), Dakin, J.P (Author)
Format: Article
Language:English
Published: 2000.
Subjects:
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